html, body {
  margin: 0;
  padding: 0;
  background: #fff;
  height: 100%;
  overflow: hidden;
}
div, p, h3 {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
#app {
  height: 100%;
  padding: 10px;
  font-size: 14px;
  color: #303133;
  display: flex;
}

section {
  width: 20%;
  margin: 10px;
}

section > .title {
  text-indent: 4px;
}

section > .upload-wrapper {
  height: 200px;
  border: 1px solid #EBEEF5;
  border-radius: 2px;
  padding: 10px;
  margin-top: 10px;
}

.upload-wrapper > .btn-group > .file-input {
  display: none;
}

.upload-wrapper > .file-wrapper {
  margin-top: 8px;
}


.file-item > .file-info {
  color: #606266;
  display: flex;
  align-items: center;
  margin-bottom: 6px;
}

.file-item > .file-info > .name {
  flex: 1;
  margin-right: 10px;
  margin-left: 4px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
